Home / 647,590,467.26-971,453,746.67-210,925,154.39

Finding the Fourth Proportional to 647,590,467.26, 971,453,746.67 and 210,925,154.39

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Solution

The fourth proportional to 647,590,467.26, 971,453,746.67 and 210,925,154.39 is: 316,409,894.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,590,467.26 : 971,453,746.67 = 210,925,154.39 : x
  2. Step 2: Convert to fraction form
    647,590,467.26/971,453,746.67 = 210,925,154.39/x
  3. Step 3: Cross multiply
    647,590,467.26x = 971,453,746.67 × 210,925,154.39
  4. Step 4: Simplify right side
    647,590,467.26x = 204,904,031,493,201,792
  5. Step 5: Solve for x
    x = 204,904,031,493,201,792/647,590,467.26
  6. Step 6: Final answer
    x = 316,409,894.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.